Sigma 24mm F1.4 Art DG HSM Lens for Canon DSLR Cameras w/Sigma USB Dock & Advanced Photo and Travel Bundle KIT INCLUDES: Sigma 24mm F1.4 Art DG HSM Fast Aperture Lens + Sigma USB Dock for Canon + DSLR Camera Sling Backpack + Altura Photo 77mm UV-CPL-ND4 Professional Filter Kit + Altura Photo Cleaning Kit + MagicFiber Cleaning Cloth HIGH PERFORMACE LENS: Large aperture wide angle lens with 24mm focal length, Aperture range of f/1.4 to f/16, Hyper-Sonic Motor, Filter size of 77mm. Ideal for wedding, landscape, videography, astrophotography, lowlight/indoor and event photography. COMPATIBLE with all Canon Cameras, including EOS 7D Mark II, 70D, 77D, 80D, Rebel T3, T3i, T4i, T5, T5i, T6, T6i, T6s, T7, T7i, SL1, SL2 APS-C Cameras, and EOS 5D Mark III, 5D Mark IV, 6D Mark II, 5DS, 5DS R, 1Dx Mark II Full Frame DSLR Cameras. SIGMA AUTHORIZED DEALER. Includes Sigma USA 4-Year Warranty.